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Annealed (O61) C63600 Bronze

O61 C63600 bronze is C63600 bronze in the O61 (annealed) temper. It has the lowest strength and highest ductility compared to the other variants of C63600 bronze. The graph bars on the material properties cards below compare O61 C63600 bronze to: wrought bronzes (top), all copper alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Elastic (Young's, Tensile) Modulus

110 GPa 16 x 106 psi

Elongation at Break

66 %

Poisson's Ratio

0.34

Shear Modulus

42 GPa 6.2 x 106 psi

Shear Strength

320 MPa 46 x 103 psi

Tensile Strength: Ultimate (UTS)

410 MPa 60 x 103 psi

Tensile Strength: Yield (Proof)

150 MPa 22 x 103 psi

Thermal Properties

Latent Heat of Fusion

230 J/g

Maximum Temperature: Mechanical

210 °C 400 °F

Melting Completion (Liquidus)

1030 °C 1890 °F

Melting Onset (Solidus)

980 °C 1800 °F

Specific Heat Capacity

410 J/kg-K 0.1 BTU/lb-°F

Thermal Conductivity

57 W/m-K 33 BTU/h-ft-°F

Thermal Expansion

17 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

12 % IACS

Electrical Conductivity: Equal Weight (Specific)

13 % IACS

Otherwise Unclassified Properties

Base Metal Price

30 % relative

Density

8.6 g/cm3 540 lb/ft3

Embodied Carbon

2.8 kg CO2/kg material

Embodied Energy

45 MJ/kg 20 x 103 BTU/lb

Embodied Water

340 L/kg 40 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

210 MJ/m3

Resilience: Unit (Modulus of Resilience)

100 kJ/m3

Stiffness to Weight: Axial

7.3 points

Stiffness to Weight: Bending

19 points

Strength to Weight: Axial

13 points

Strength to Weight: Bending

14 points

Thermal Diffusivity

16 mm2/s

Thermal Shock Resistance

15 points

Alloy Composition

Copper (Cu) 93 to 96.3
Aluminum (Al) 3.0 to 4.0
Silicon (Si) 0.7 to 1.3
Zinc (Zn) 0 to 0.5
Tin (Sn) 0 to 0.2
Nickel (Ni) 0 to 0.15
Iron (Fe) 0 to 0.15
Arsenic (As) 0 to 0.15
Lead (Pb) 0 to 0.050
Residuals 0 to 0.5

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Further Reading

Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, ASM Handbook vol. 2, ASM International, 1993